Q.How To Repair My Lawn
My lawn has become patchy and is on clay soil. Without a complete relay what can I use to break down the clay

Certified GKH Gardening Expert
Sure! You have several options available to you! These articles will help:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/how-to-improve-clay-soil.htm
https://www.gardeningknowhow.com/special/organic/how-to-easily-improve-your-clay-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/making-sure-soil-drains-well.htm